We have to work out the relative percentage of each group at a university e.g. Engineering 10%, Social Sciences 15%, English 20%, Sciences 25%, Languages 10%, Law 5%, Medicine 15% The sample must then contain all these groups in the same proportion as in the target population (university students).
Everything you need for your Tie-Dye project: Dyes, color enrichments, fixers, clothing blanks, and more! Tie-dye describes a pattern of color made by preventing the dye from reaching some areas of the fabric by using tight ties of rubber bands, sinew, string, etc., while dyeing others.
Dyeing Fabric with Squirt Bottles. 1  1. Understand the difference in effect. Perhaps the easiest way of tie dyeing is to soak your fabric in a single colored solution called a dye bath. 2  2. Prepare your dye in the bottles.